the population was deemed healthy in hundreds of the northern european fisheries analysed and experts say the fish is closer to being certified as a sustainable species that the marine stewardship council -lrb- msc -rrb- revealed that one in nine fisheries operate sustainably , with 400 suffering from serious failings in data management .
the findings by seafish and the marine stewardship council -lrb- msc -rrb- did reveal however that one in nine fisheries operate sustainably .